.M3D File Extension
File Type 13D Model File
What is an M3D file?
Game data file that stores three-dimensional models; contains 3D objects, such as characters, buildings, scenery, and other objects that are used within the game.
M3D files are referenced by Grand Theft Auto: Vice City and EverQuest.
File Type 2DIALux 3D Object File
.M3D File Association 2
File created by DIALux, a program used for calculating lighting layouts; contains 3D furniture objects and their preview images; used for saving, importing, and exporting furniture objects.
The preview images within an M3D file can be exported as .JPG files.